Around 14 new rock-art depictions of thylacines, also known as Tasmanian tigers, have been found in northern Australia.

Researchers showed that "exosomes" from pig semen may be used in a potential new treatment for retinoblastoma.

The comet formed in a cold and distant part of the early Milky Way up to 12 billion years ago, potentially putting it just under 2 billion years the age of the universe.